Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830879 | Photothermographic material | Ryo Suzuki, Yoshiharu Yabuki | 2004-12-14 |
| 6790809 | Heat-responsive-discoloring coloring composition, heat-responsive-discoloring coloring element comprising same and method for detecting thermal history of article | — | 2004-09-14 |
| 6780578 | Thermally developable photosensitive material | Yasuhiro Yoshioka | 2004-08-24 |
| 6727057 | Heat-developable photosensitive material | Yoshiharu Yabuki | 2004-04-27 |